1 files changed, 1 insertions, 0 deletions

diff --git a/firmware/target/arm/imx31/gigabeat-s/serial-imx31.h b/firmware/target/arm/imx31/gigabeat-s/serial-imx31.h
index 923d3a0a0d..1ee3b4e81c 100644
--- a/firmware/target/arm/imx31/gigabeat-s/serial-imx31.h
+++ b/firmware/target/arm/imx31/gigabeat-s/serial-imx31.h
@@ -25,6 +25,7 @@
 #include <stdio.h>
 
 int tx_rdy(void);
+int rx_rdy(void);
 void tx_writec(const char c);
 void dprintf(const char * str, ... );